DHS Drops Ammonium Nitrate Rule To Weigh Limits On Other Explosives

The Department of Homeland Security (DHS) is dropping plans for a long-stalled rule regulating the sale of ammonium nitrate, an ingredient used in explosives and as fertilizer, and is instead asking the National Academy of Sciences (NAS) to review substances that may be used in improvised explosives to support broader future oversight. While the move signals DHS taking a different approach to addressing workplace safety and other risks from the substance, there is so far no indication that OSHA plans...